Introducing the Unisex Pinnacle 4 Liter Hydration Race Vest by Nathan Sports, a lightweight and innovative solution for endurance athletes. Weighing only 6.1oz without the bladder, this vest is 20% lighter than previous models and features an apparel-like fit with a longer back for comfort. It boasts 12 exterior pockets, including kangaroo and water-resistant chest pockets, to securely store your essentials, along with 2 Hydrapak soft flasks ensuring easy hydration. The contoured chimney back panel enhances airflow, keeping you cool and dry during your race or adventure. Adjustable sternum straps provide personalized comfort for a perfect fit.